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GHSA-vmhf-c436-hxj4
Vulnerability in jupyterlab (GHSA-vmhf-c436-hxj4)
Summary
vulnerability in jupyterlab (GHSA-vmhf-c436-hxj4). Risk of unauthorized operations or information disclosure. Exploitable via ``homepage_url``. Mitigation: upgrade to `4.5.9` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **GHSA-vmhf-c436-hxj4** has been found in jupyterlab.
Attackers can target a specific entry point like ``homepage_url`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade jupyterlab to **4.5.9** or later.
If unsure, ask your IT team or search "jupyterlab GHSA-vmhf-c436-hxj4" on the vendor's site.
GHSA-vmhf-c436-hxj4 (jupyterlab) — CWE-84 /
Attack surface: `homepage_url`
Patched: `4.5.9` — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (CWE-84) exists in jupyterlab. Attackers reach the vulnerable code path via ``homepage_url`` without authentication.
📍 Affected scope
jupyterlab — . Attack surface: `homepage_url`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **4.5.9**.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'jupyterlab' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'jupyterlab' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `jupyterlab` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade jupyterlab to 4.5.9ステージング環境で 4.5.9 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
-
7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
pip
jupyterlab
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.9"}]}]
References
- web https://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-vmhf-c436-hxj4
- web https://github.com/jupyterlab/jupyterlab/commit/4e61e07d0a91145b53fbf96ac74b0387f6bc51f6
- web https://github.com/jupyterlab/jupyterlab/commit/d5d961f6e10a6442dddbf94d9a976b3897055a12
- web https://github.com/jupyterlab/jupyterlab/releases/tag/v4.5.9
- web https://github.com/advisories/GHSA-vmhf-c436-hxj4